Chain Token Honeypot

{
  "amount_requested_usd": 100,
  "amount_usd": 100,
  "block": 52449625,
  "buy_tax_pct": 0,
  "cached": false,
  "can_buy": true,
  "can_sell": true,
  "chain": "base",
  "detail": "bought and sold back",
  "honeypot": false,
  "limits": "A simulation shows what one fresh contract could do now, in one transaction. Tokens that block sells only after a delay, only for some wallets or for contracts, or through an owner-toggled blacklist, trading switch or changeable tax can pass this check, and a same-block sell restriction can fail a sound token. Only Uniswap V2, Uniswap V3 and (Base) Aerodrome pools against WETH or USDC are tried. Heuristic, not an audit: a clean result is not proof the token is safe.",
  "liquidity_usd": 400732.35,
  "pool": "0x0cA6485b7e9cF814A3Fd09d81672B07323535b64",
  "quote_asset": "WETH",
  "reason": null,
  "revert": null,
  "round_trip_loss_pct": 1.99,
  "sell_tax_pct": 0,
  "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
  "transfer_tax_pct": 0,
  "untrusted_content": true,
  "venue": "uniswap_v3",
  "venues_checked": [
    {
      "amount_usd": 100,
      "buy_tax_pct": 0,
      "can_buy": true,
      "can_sell": true,
      "fee_tier": 10000,
      "liquidity_usd": 400732.35,
      "pool": "0x0cA6485b7e9cF814A3Fd09d81672B07323535b64",
      "quote_asset": "WETH",
      "revert": null,
      "round_trip_loss_pct": 1.99,
      "sell_tax_pct": 0,
      "venue": "uniswap_v3"
    },
    {
      "amount_usd": 100,
      "buy_tax_pct": 0,
      "can_buy": true,
      "can_sell": true,
      "liquidity_usd": 32198.05,
      "pool": "0x2C4909355b0C036840819484c3A882A95659aBf3",
      "quote_asset": "WETH",
      "revert": null,
      "round_trip_loss_pct": 0.59,
      "sell_tax_pct": 0,
      "stable": false,
      "venue": "aerodrome"
    }
  ],
  "warnings": []
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/chain/token-honeypot' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"base","token":"0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/chain/token-honeypot' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"base","token":"0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fchain%2Ftoken-honeypot&method=POST
const res = await pay("https://tanod.dev/v1/chain/token-honeypot", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "chain": "base",
    "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/chain/token-honeypot",
        json={
            "chain": "base",
            "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
        },
    )
    print(res.status_code, res.text)